IG-123-EN version 11; 23/07/2021
14
Technical characteristics
General instructions
cpg
.0: GIS medium-voltage switchgear,
gas insulated, up to 40.5 kV,
in accordance with IEC Standard
2.1.1. Name plate
Each unit has a name plate, with some of the following data,
showing the particular electrical ratings of each cubicle:
Figure 2.1.
Example of name plate
Name plate
N°
Cubicle serial number(*)
Type
Ormazabal
switchgear system.
Designation
Cubicle model
Standard
Standards applied to the equipment
U
r
Equipment rated voltage (kV)
U
p
Lightning impulse withstand voltage (kV)
U
d
Power frequency withstand voltage (kV)
f
r
Equipment rated frequency (Hz)
I
r
Equipment rated current (A)
I
k
/I
p
Short-time withstand current/short-time withstand peak value
t
k
Short-time withstand current time
P
re
Gas pressure inside the gas tank (MPa)
P
me
Minimum operating gas pressure (MPa)
SF
6
Weight of insulating fluid (g)
Year
Year of manufacture
TC
Thermal class
IAC
Internal arc classification
(*) This number should be reported to
Ormazabal
in the event of incident.
Table 2.6.
List of information shown on the name plate
Summary of Contents for velatia cpg.0
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